LAHORE (PR) - The spokesman of PTCL said that telephone bills of LTR (South), LTR (North) and CTR Regions have been issued for the month of May 2010, and their due date is 22nd June 2010. He Further said that the valued customers should pay the telephone bills within due date to avail the telecom services smoothly. However, if they could not receive the bill so far, they can obtain its duplicate from nearest Customer Service Center and can also pay on the spot. The valued customers can also obtain information about the telephone bills on PTCL helpline 1236.